Precision screwdrivers are 4x stronger thanks to the all-metal core. Machined tips provide secure fitment. Extended reach design and longer shanks improve visibility. 360-Degree rotating back caps for greater control and driving. Chrome plated shanks increase durability and reduce corrosion. Color coded markings provide easy identification. Includes a durable case with zipper closing. Manufacturer limited lifetime warranty. Includes: Phillips: #00 #0. Slotted: 1/16" 3/32" 1/8" 5/32".